Home / 12,505.44-18,755.37-3,739.22

Finding the Fourth Proportional to 12,505.44, 18,755.37 and 3,739.22

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Solution

The fourth proportional to 12,505.44, 18,755.37 and 3,739.22 is: 5,607.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.44 : 18,755.37 = 3,739.22 : x
  2. Step 2: Convert to fraction form
    12,505.44/18,755.37 = 3,739.22/x
  3. Step 3: Cross multiply
    12,505.44x = 18,755.37 × 3,739.22
  4. Step 4: Simplify right side
    12,505.44x = 70,130,360.83
  5. Step 5: Solve for x
    x = 70,130,360.83/12,505.44
  6. Step 6: Final answer
    x = 5,607.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.